Regional Geology of the Browse Basin

Last updated:18 July 2023

Home Geoscience Australia > Scientific topics > Energy > Province and Sedimentary Basin Geology > Petroleum Geology of Offshore Basins > Acreage Release > Browse Basin Regional Geology of the Browse Basin

The Browse Basin is one of a series of extensional basins that collectively form the offshore province of Australia’s North West Shelf, comprising also the Bonaparte, Roebuck, Offshore Canning and Northern Carnarvon basins (Figure 1). The basin continues to be a premier exploration target and four hydrocarbon families/petroleum systems have been identified. In 2018, two main hydrocarbon accumulations, Ichthys and Prelude, commenced production of liquefied natural gas (LNG) and condensate. Overall, proved and probable reserves (2P) for the Browse Basin are estimated at 514 MMbbl (3022 PJ) of oil and natural gas liquids and 13.96 Tcf (15 701 PJ) of gas (EnergyQuest, 2022).

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For information on the 2022 acreage release areas in the Browse Basin visit the Department of Industry, Science and Resources website.